Implement Vulkan GrBackendObject for textures.

src/gpu/vk/GrVkGpu.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrVkGpu.h"
 
 #include "GrContextOptions.h"
@@ skipping 16 matching lines @@
 #include "GrVkRenderPass.h"
 #include "GrVkResourceProvider.h"
 #include "GrVkTexture.h"
 #include "GrVkTextureRenderTarget.h"
 #include "GrVkTransferBuffer.h"
 #include "GrVkVertexBuffer.h"
 
 #include "SkConfig8888.h"
 
 #include "vk/GrVkInterface.h"
+#include "vk/GrVkTypes.h"
 
 #define VK_CALL(X) GR_VK_CALL(this->vkInterface(), X)
 #define VK_CALL_RET(RET, X) GR_VK_CALL_RET(this->vkInterface(), RET, X)
 #define VK_CALL_ERRCHECK(X) GR_VK_CALL_ERRCHECK(this->vkInterface(), X)
 
 ////////////////////////////////////////////////////////////////////////////////
 // Stuff used to set up a GrVkGpu secrectly for now.
 
 // For now the VkGpuCreate is using the same signature as GL. This is mostly for ease of
 // hiding this code from offical skia. In the end the VkGpuCreate will not take a GrBackendContext
@@ skipping 528 matching lines @@
 
     if (0 == desc.fTextureHandle) {
         return nullptr;
     }
 
     int maxSize = this->caps()->maxTextureSize();
     if (desc.fWidth > maxSize || desc.fHeight > maxSize) {
         return nullptr;
     }
 
-    // TODO: determine what format Chrome will actually send us and turn it into a Resource
-    GrVkImage::Resource* imageRsrc = reinterpret_cast<GrVkImage::Resource*>(desc.fTextureHandle);
+    const GrVkTextureInfo* info = reinterpret_cast<const GrVkTextureInfo*>(desc.fTextureHandle);
 
     GrGpuResource::LifeCycle lifeCycle = (kAdopt_GrWrapOwnership == ownership)
                                          ? GrGpuResource::kAdopted_LifeCycle
                                          : GrGpuResource::kBorrowed_LifeCycle;
 
     GrSurfaceDesc surfDesc;
     // next line relies on GrBackendTextureDesc's flags matching GrTexture's
     surfDesc.fFlags = (GrSurfaceFlags)desc.fFlags;
     surfDesc.fWidth = desc.fWidth;
     surfDesc.fHeight = desc.fHeight;
     surfDesc.fConfig = desc.fConfig;
     surfDesc.fSampleCnt = SkTMin(desc.fSampleCnt, this->caps()->maxSampleCount());
     bool renderTarget = SkToBool(desc.fFlags & kRenderTarget_GrBackendTextureFlag);
     // In GL, Chrome assumes all textures are BottomLeft
     // In VK, we don't have this restriction
     surfDesc.fOrigin = resolve_origin(desc.fOrigin);
 
     GrVkTexture* texture = nullptr;
     if (renderTarget) {
         texture = GrVkTextureRenderTarget::CreateWrappedTextureRenderTarget(this, surfDesc, 
                                                                             lifeCycle, format,
-                                                                            imageRsrc);
+                                                                            info);
     } else {
-        texture = GrVkTexture::CreateWrappedTexture(this, surfDesc, lifeCycle, format, imageRsrc);
+        texture = GrVkTexture::CreateWrappedTexture(this, surfDesc, lifeCycle, format, 
+                                                    info);
     }
     if (!texture) {
         return nullptr;
     }
 
     return texture;
 }
 
 GrRenderTarget* GrVkGpu::onWrapBackendRenderTarget(const GrBackendRenderTargetDesc& wrapDesc,
                                                    GrWrapOwnership ownership) {
     
-    // TODO: determine what format Chrome will actually send us and turn it into a Resource
-    GrVkImage::Resource* imageRsrc =
-        reinterpret_cast<GrVkImage::Resource*>(wrapDesc.fRenderTargetHandle);
+    const GrVkTextureInfo* info =
+        reinterpret_cast<const GrVkTextureInfo*>(wrapDesc.fRenderTargetHandle);
 
     GrGpuResource::LifeCycle lifeCycle = (kAdopt_GrWrapOwnership == ownership)
                                          ? GrGpuResource::kAdopted_LifeCycle
                                          : GrGpuResource::kBorrowed_LifeCycle;
 
     GrSurfaceDesc desc;
     desc.fConfig = wrapDesc.fConfig;
     desc.fFlags = kCheckAllocation_GrSurfaceFlag;
     desc.fWidth = wrapDesc.fWidth;
     desc.fHeight = wrapDesc.fHeight;
     desc.fSampleCnt = SkTMin(wrapDesc.fSampleCnt, this->caps()->maxSampleCount());
 
     desc.fOrigin = resolve_origin(wrapDesc.fOrigin);
 
     GrVkRenderTarget* tgt = GrVkRenderTarget::CreateWrappedRenderTarget(this, desc,
-                                                                        lifeCycle, imageRsrc);
+                                                                        lifeCycle, 
+                                                                        info);
     if (tgt && wrapDesc.fStencilBits) {
         if (!createStencilAttachmentForRenderTarget(tgt, desc.fWidth, desc.fHeight)) {
             tgt->unref();
             return nullptr;
         }
     }
     return tgt;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ skipping 86 matching lines @@
         return 0;
     }
 
     VkImageUsageFlags usageFlags = VK_IMAGE_USAGE_SAMPLED_BIT;
     usageFlags |= VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
     usageFlags |= VK_IMAGE_USAGE_TRANSFER_DST_BIT;
 
     VkFlags memProps = (srcData && linearTiling) ? VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT :
                                                    VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
 
-    // This ImageDesc refers to the texture that will be read by the client. Thus even if msaa is
-    // requested, this ImageDesc describes the resolved texutre. Therefore we always have samples set
-    // to 1.
-    GrVkImage::ImageDesc imageDesc;
-    imageDesc.fImageType = VK_IMAGE_TYPE_2D;
-    imageDesc.fFormat = pixelFormat;
-    imageDesc.fWidth = w;
-    imageDesc.fHeight = h;
-    imageDesc.fLevels = 1;
-    imageDesc.fSamples = 1;
-    imageDesc.fImageTiling = linearTiling ? VK_IMAGE_TILING_LINEAR : VK_IMAGE_TILING_OPTIMAL;
-    imageDesc.fUsageFlags = usageFlags;
-    imageDesc.fMemProps = memProps;
+    VkImage image = 0;
+    VkDeviceMemory alloc;
 
-    const GrVkImage::Resource* imageRsrc = GrVkImage::CreateResource(this, imageDesc);
-    if (!imageRsrc) {
+    VkImageTiling imageTiling = linearTiling ? VK_IMAGE_TILING_LINEAR : VK_IMAGE_TILING_OPTIMAL;
+    VkImageLayout initialLayout = (VK_IMAGE_TILING_LINEAR == imageTiling)
+                                ? VK_IMAGE_LAYOUT_PREINITIALIZED
+                                : VK_IMAGE_LAYOUT_UNDEFINED;
+
+    // Create Image
+    VkSampleCountFlagBits vkSamples;
+    if (!GrSampleCountToVkSampleCount(1, &vkSamples)) {
         return 0;
     }
 
+    const VkImageCreateInfo imageCreateInfo = {
+        VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,         // sType
+        NULL,                                        // pNext
+        0,                                           // VkImageCreateFlags
+        VK_IMAGE_TYPE_2D,                            // VkImageType
+        pixelFormat,                                 // VkFormat
+        { w, h, 1 },                                 // VkExtent3D
+        1,                                           // mipLevels
+        1,                                           // arrayLayers
+        vkSamples,                                   // samples
+        imageTiling,                                 // VkImageTiling
+        usageFlags,                                  // VkImageUsageFlags
+        VK_SHARING_MODE_EXCLUSIVE,                   // VkSharingMode
+        0,                                           // queueFamilyCount
+        0,                                           // pQueueFamilyIndices
+        initialLayout                                // initialLayout
+    };
+
+    GR_VK_CALL_ERRCHECK(this->vkInterface(), CreateImage(this->device(), &imageCreateInfo, nullptr, &image));
+
+    if (!GrVkMemory::AllocAndBindImageMemory(this, image, memProps, &alloc)) {
+        VK_CALL(DestroyImage(this->device(), image, nullptr));
+        return 0;
+    }
+
     if (srcData) {
         if (linearTiling) {
             const VkImageSubresource subres = {
                 VK_IMAGE_ASPECT_COLOR_BIT,
                 0,  // mipLevel
                 0,  // arraySlice
             };
             VkSubresourceLayout layout;
             VkResult err;
 
-            const GrVkInterface* interface = this->vkInterface();
-
-            GR_VK_CALL(interface, GetImageSubresourceLayout(fDevice,
-                                                            imageRsrc->fImage,
-                                                            &subres,
-                                                            &layout));
+            VK_CALL(GetImageSubresourceLayout(fDevice, image, &subres, &layout));
 
             void* mapPtr;
-            err = GR_VK_CALL(interface, MapMemory(fDevice,
-                                                  imageRsrc->fAlloc,
-                                                  0,
-                                                  layout.rowPitch * h,
-                                                  0,
-                                                  &mapPtr));
+            err = VK_CALL(MapMemory(fDevice, alloc, 0, layout.rowPitch * h, 0, &mapPtr));
             if (err) {
-                imageRsrc->unref(this);
+                VK_CALL(FreeMemory(this->device(), alloc, nullptr));
+                VK_CALL(DestroyImage(this->device(), image, nullptr));
                 return 0;
             }
 
             size_t bpp = GrBytesPerPixel(config);
             size_t rowCopyBytes = bpp * w;
             // If there is no padding on dst (layout.rowPitch) we can do a single memcopy.
             // This assumes the srcData comes in with no padding.
             if (rowCopyBytes == layout.rowPitch) {
                 memcpy(mapPtr, srcData, rowCopyBytes * h);
             } else {
                 SkRectMemcpy(mapPtr, static_cast<size_t>(layout.rowPitch), srcData, w, rowCopyBytes,
                              h);
             }
-            GR_VK_CALL(interface, UnmapMemory(fDevice, imageRsrc->fAlloc));
+            VK_CALL(UnmapMemory(fDevice, alloc));
         } else {
             // TODO: Add support for copying to optimal tiling
             SkASSERT(false);
         }
     }
 
-    return (GrBackendObject)imageRsrc;
+    GrVkTextureInfo* info = new GrVkTextureInfo;
+    info->fImage = image;
+    info->fAlloc = alloc;
+    info->fImageTiling = imageTiling;
+
+    return (GrBackendObject)info;
 }
 
 bool GrVkGpu::isTestingOnlyBackendTexture(GrBackendObject id) const {
-    GrVkImage::Resource* backend = reinterpret_cast<GrVkImage::Resource*>(id);
+    const GrVkTextureInfo* backend = reinterpret_cast<const GrVkTextureInfo*>(id);
 
     if (backend && backend->fImage && backend->fAlloc) {
         VkMemoryRequirements req;
         memset(&req, 0, sizeof(req));
         GR_VK_CALL(this->vkInterface(), GetImageMemoryRequirements(fDevice,
                                                                    backend->fImage,
                                                                    &req));
         // TODO: find a better check
         // This will probably fail with a different driver
         return (req.size > 0) && (req.size <= 8192 * 8192);
     }
 
     return false;
 }
 
 void GrVkGpu::deleteTestingOnlyBackendTexture(GrBackendObject id, bool abandon) {
-    GrVkImage::Resource* backend = reinterpret_cast<GrVkImage::Resource*>(id);
+    const GrVkTextureInfo* backend = reinterpret_cast<const GrVkTextureInfo*>(id);
 
     if (backend) {
         if (!abandon) {
-            backend->unref(this);
-        } else {
-            backend->unrefAndAbandon();
+            VK_CALL(FreeMemory(this->device(), backend->fAlloc, nullptr));
+            VK_CALL(DestroyImage(this->device(), backend->fImage, nullptr));
         }
+        delete backend;
     }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 void GrVkGpu::addMemoryBarrier(VkPipelineStageFlags srcStageMask,
                                VkPipelineStageFlags dstStageMask,
                                bool byRegion,
                                VkMemoryBarrier* barrier) const {
     SkASSERT(fCurrentCmdBuffer);
@@ skipping 559 matching lines @@
     int set_a_break_pt_here = 9;
     aglSwapBuffers(aglGetCurrentContext());
 #elif defined(SK_BUILD_FOR_WIN32)
     SwapBuf();
     int set_a_break_pt_here = 9;
     SwapBuf();
 #endif
 #endif
 }